Description

Polymer80 G150 AR15 80% Lower Receiver Only

The Polymer80 G150 AR15 80% Lower Receiver Only represents a foundational component for the custom AR15 builder. Designed for those who prioritize hands-on assembly, this unfinished receiver provides the structure needed to complete a legally compliant, custom rifle. Constructed from high-impact polymer, the G150 offers a balance of weight reduction and structural integrity, making it a practical starting point for your next build.

Overview

The Polymer80 G150 AR15 80% Lower Receiver Only is a precision-molded polymer blank that requires final machining to become a functional lower receiver. It is not a completed firearm and does not contain a serial number. This product is intended for individuals who wish to manufacture a firearm for personal use, in full compliance with all applicable federal, state, and local laws. The G150 platform is engineered to accept standard AR15 mil-spec parts kits and buffer tubes, simplifying the assembly process for experienced builders.

Features & Specs

• Manufactured by Polymer80, a trusted name in the firearms industry for custom receiver components.
• Constructed from reinforced polymer for reduced weight compared to aluminum receivers, without sacrificing durability under standard use.
• Designed to accept standard AR15 mil-spec lower parts kits, trigger groups, and buffer tube assemblies for straightforward compatibility.

The Polymer80 G150 AR15 80% Lower Receiver Only features an integrated trigger guard and a flared magazine well for faster reloads. The polymer material is impact-resistant and resistant to corrosion, offering a reliable platform for various build configurations. All critical dimensions are held to tight tolerances to ensure proper fitment with upper receivers and stock assemblies.

Key specifications include compatibility with .223 Remington, 5.56 NATO, and .300 Blackout calibers when paired with the appropriate upper receiver. The receiver is designed for use with standard AR15 buffer tubes and carbine or rifle stocks. No specialized tooling beyond standard jigs and drill presses is required for completion.

Who It’s For

• Experienced DIY builders seeking a cost-effective starting point for a custom AR15 platform.
• Gunsmiths and hobbyists who prefer hands-on manufacturing and final assembly of their firearm components.
• Individuals who want a lightweight, corrosion-resistant lower receiver for a dedicated build project.

This product is not suitable for first-time builders without prior experience in machining or firearm assembly. It is intended for those who understand the legal requirements for manufacturing a firearm for personal use and who have access to the necessary tools, such as a drill press, jig, and end mill. The Polymer80 G150 AR15 80% Lower Receiver Only is ideal for shooters who want a custom fit and finish without the cost of a fully finished receiver.

Shipping & FFL

This item is an 80% lower receiver and does not require shipment to a Federal Firearms License (FFL) dealer for transfer. It is considered a non-firearm component under current federal regulations, as it is not yet a completed receiver. However, it is the buyer’s responsibility to verify all local, state, and federal laws regarding the purchase, possession, and completion of 80% lower receivers. Some states and localities may restrict or prohibit the sale or possession of these items. By purchasing the Polymer80 G150 AR15 80% Lower Receiver Only, you confirm that you are legally eligible to own and manufacture a firearm for personal use in your jurisdiction. We ship via common carrier with signature confirmation required. No returns or exchanges on 80% lower receivers due to the nature of the product.